[Insights] Fix subscriptionid in logprofile id for add-azurermlogprofile command

Author: vcanaa

src/ResourceManager/Insights/Commands.Insights/LogProfiles/AddAzureRmLogProfileCommand.cs

@@ -105,7 +105,7 @@ protected override void ProcessRecordInternal()
 
             PSLogProfile psResult = new PSLogProfile(
                 "/subscriptions/{0}/providers/microsoft.insights/logprofiles/{1}"
-                    .FormatInvariant(DefaultContext.Subscription, this.Name), 
+                    .FormatInvariant(DefaultContext.Subscription.Id.ToString(), this.Name), 
                 this.Name,
                 putParameters.Properties);
             WriteObject(psResult);